29932681 has 2 divisors, whose sum is σ = 29932682. Its totient is φ = 29932680.

The previous prime is 29932673. The next prime is 29932697. The reversal of 29932681 is 18623992.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26988025 + 2944656 = 5195^2 + 1716^2 .

It is a cyclic number.

It is not a de Polignac number, because 29932681 - 2³ = 29932673 is a prime.

It is a super-2 number, since 2×29932681² = 1791930783695522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29932781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14966340 + 14966341.

It is an arithmetic number, because the mean of its divisors is an integer number (14966341).

Almost surely, 2^29932681 is an apocalyptic number.

It is an amenable number.

29932681 is a deficient number, since it is larger than the sum of its proper divisors (1).

29932681 is an equidigital number, since it uses as much as digits as its factorization.

29932681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 29932681 is about 5471.0767678767. The cubic root of 29932681 is about 310.4906589936.

The spelling of 29932681 in words is "twenty-nine million, nine hundred thirty-two thousand, six hundred eighty-one".